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Finding the Fourth Proportional to 247,231.70, 370,909.73 and 114,206.06

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Solution

The fourth proportional to 247,231.70, 370,909.73 and 114,206.06 is: 171,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,231.70 : 370,909.73 = 114,206.06 : x
  2. Step 2: Convert to fraction form
    247,231.70/370,909.73 = 114,206.06/x
  3. Step 3: Cross multiply
    247,231.70x = 370,909.73 × 114,206.06
  4. Step 4: Simplify right side
    247,231.70x = 42,360,139,048.57
  5. Step 5: Solve for x
    x = 42,360,139,048.57/247,231.70
  6. Step 6: Final answer
    x = 171,337.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.